If a PCB has low insulation resistance (ir), it can degrade the performance of the circuits on the board considerably.
如果某块PC B具有低绝缘电阻(IR)，则会大大降低印制板上电路的性能。
The FT-IR spectra and heat reflectivity of the coatings were studied in order to characterize the heat insulation.
采用太阳热反射率和红外光反射率表征了涂料的隔热性能。
The FT-IR spectra and heat reflectivity of the coatings were studied in order to characterize the heat insulation.
采用太阳热反射率和红外光反射率表征了涂料的隔热性能。
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